Apologies, that was supposed to go to lmfdb-support. Ignore! John
On 16 August 2017 at 08:48, John Cremona <[email protected]> wrote: > This is a very minor comment about the description/definition of "GL_2 > type" in the genus 2 curve page (after clicking the "GL_2 type" link). > The last sentence is a bit misleading. Perhaps it should say "the > endomorphism algebra is 2-dimensional over Q" as opposed to "the > endomorphism algebra is isomorphic to Q \oplus Q". The notation in the > latter makes it seem like the endomorphism algebra is isomorphic *as > an algebra* to Q \oplus Q, which it need not be. The first sentence of > the paragraph points this out, but the (current) last sentence makes > it sound like the split quadratic algebra is the only one that can > occur among GL_2-type, genus 2 Jacobians. (And this is not the case.) > > Best, > Ari Shnidman > [email protected] > > -- > > I'll make an Issue for this. -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
